Custom BlackView BV4800

Lets modify file in ROM

 

Installa Magiskboot

https://aur.archlinux.org/packages/magiskboot-bin

yay -S magiskboot-bin

 

 

Change picture on boot

download file  from rom like boot.bin , vbmeta.bin , super.bin 

 

use command to unpack file 

magiskboot unpack magisk_patched-26100_biB8t.img

 

use command to repack file 

magiskboot repack magisk_patched-26100_biB8t.img